What is copper?

Let’s learn what is copper. The most accurate or helpful solution is served by en.wikipedia.org.

There are ten answers to this question.

Best solution

Copper - Wikipedia, the free encyclopedia

Copper is a chemical element with symbol Cu (from Latin: cuprum) and atomic number 29. It is a soft, malleable and ductile metal with very high thermal and electrical ...

en.wikipedia.org

Other solutions

What is the mass of one copper atom, in kg?

The diameter of a copper atom is approximately 2.28e-10 m. The mass of one mole of copper is 64 grams. Assume that the atoms are arranged in a simple cubic array. a. What is the mass of one copper atom, in kg? b. How many copper atoms are there in a...

Answer:

a) divide the 64g by Avogadro's number 64/(6.02*10^23) = 1.06312292 × 10-22 grammes, since there...

Read more

Redbox607 at Yahoo! Answers Mark as irrelevant Undo

Given copper (II) sulfate, what less expensive metal could you use to precipitate the copper out of solution?

It's for a chemistry test... please help! The full question is: If a mine had a rich copper ore in which the copper was mostly found as copper (II) sulfate, what less expensive metal could be used to precipitate the copper out of solution?

Answer:

for Cu+2 to be reduced to Cu metal, it takes 2 electrons with a force of Eo = +0.337 all of these will...

Read more

benjymg9... at Yahoo! Answers Mark as irrelevant Undo

What dissolves copper?

acids seem to clean copper more than dissolve it. i wanted to make copper sulfate crystals and some other pretty colored copper crystals, but acids seem to clean the copper more than combine with it. i know copper is low on the reactivity list, but it...

Answer:

This is a standard experiment in many college teaching labs. Sulfuric acid reacts very slowly with copper...

Read more

edward at Yahoo! Answers Mark as irrelevant Undo

What's the effect on copper tube (HVAC) after long storage?

1. Will aged copper tube affects manufacturability i.e. bending, expansion, etc 2. Will aged copper tube causes the change of material properties i.e. elasticity, yield strength, elongation, hardness, etc.? 3. What’s the maximum storage time (under shelter...

Answer:

Copper doesn't age. It will develop a coating of green patina, which is just copper oxide. But this...

Read more

Kelvin at Yahoo! Answers Mark as irrelevant Undo

What have more copper Pre-1982 Copper Pennies or Nickels?

Nickels-75% Copper Penny-95% Copper However nickels are bigger so what one has more copper in it all together?

Answer:

Pre 1982 pennies weighed 3.1-3.2 grams. The percentage metal is not by volume, but by weight. Thus,...

Read more

Dylan at Yahoo! Answers Mark as irrelevant Undo

State in terms of electrons, what happens when a copper ion becomes a copper atom?

I know that Copper is normally Cu2+ (I think) but what happens when a copper ion becomes a copper atom? Thanks

Answer:

copper has atomic number Z =29. hence, in a neutral atom , Cu has 29 electrons by default. but, if it...

Read more

E2UDKUUGCATKZLR6Y2NS2CWJRE at Yahoo! Answers Mark as irrelevant Undo

What are some unusual places copper is used?

As part of my work I learned how much money a recycler will give you for a small truck load of copper pipes and wire. I think I can use this to teach my kids a really memorable lesson about recycling.    They would flip if they got enough money from...

Answer:

Not that this will help with your scrap metal project, but I learned that many metals are dipped in...

Read more

Keith R. Lavimodiere at Quora Mark as irrelevant Undo

How to produce copper sulphate from copper metal and sulphuric acid? If it requires a catalyst what is that?

How copper sulphate is prodused in industries with copper and sulphuric acid? If any catalyst is used what is that and at what tempertatuure?

Answer:

Copper sulfate can be made by the action of sulfuric acid on a variety of copper(II) compounds, for...

Read more

WZ Laxmi at Yahoo! Answers Mark as irrelevant Undo

Answer:

2Cu(NO3)2 + 4NaI ----> 2CuI + I2 + 4NaNO3 If you have trouble with this, think that theoretically...

Read more

Sierra Hastings at Yahoo! Answers Mark as irrelevant Undo

Just Added Q & A:

Find solution

For every problem there is a solution! Proved by Solucija.

  • Got an issue and looking for advice?

  • Ask Solucija to search every corner of the Web for help.

  • Get workable solutions and helpful tips in a moment.

Just ask Solucija about an issue you face and immediately get a list of ready solutions, answers and tips from other Internet users. We always provide the most suitable and complete answer to your question at the top, along with a few good alternatives below.